The sixth volume of the anniversary edition covers two works of Kant - “Religion within the Limits of Reason Only” and “Metaphysics of Morals”. The first analyzes only the philosophical problems of religion, but contains the most important part of Kant's ethical theory. “Metaphysics of Morals” - the final work on the philosophy of law and morality; the work is published in the traditional form, at the same time (in the notes) the results of the latest textual studies are presented, which introduce the form in which the manuscript came from Kant’s pen and what transformation it underwent during the first publication.